The oval links in this heavyweight sterling silver cable chain are oxidized to produce a dark gunmetal finish, then diamond-cut to expose bright silver facets on each link, creating a bold, two-tone chain with an industrial feel. The chain features a transparent coating that protects it from tarnish and casual dings.The most common chain style, cable chains are formed by simply connecting single links perpendicularly end to end. Links may be round, oval or other shapes. Diamond-cut versions have facets precision-cut into the links with diamond-tipped tools. The facets are then polished to enhance the light-reflecting properties of the link surfacesthe links in this chain are burnished and polished by hand.